find the area of a triangle whose lengths of sides are 13cm ,13cm and 10 cm
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find the area of a triangle whose lengths of sides are 13cm ,13cm and 10 cm
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Answer:
By using herons formula
We get s=13+14+15/2
S=21cm
Now area=√s(s-a) (s-b) (s-c)
√21(21-13)(21-14)(21-15)
√21(8)(7)(6)
√21(336)
√7056
84 cm² is the area
Step-by-step explanation:
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